Anhydrous `MgCl_(2)` can be prepared by :

From which of the following reaction anhydrous MgCl_(2) can be prepared

Anhydrous FeCl_(3) can be prepared-

Pure anhydrous MgCl_(2) can be prepared from the hydrated salt by

Assertion Anhydrous MgCl_2 cannot be obtained by heating MgCl_2.6H_2O MgCl_2.6H_2O is a highly stable compound, not affected by heat.

Anhydrous MgCl_2 may be obtained by heating MgCl_2. 6H_2O